LM7812K

LM7812K Features ˙Output current in excess of 1A ˙Internal thermal overload protection ˙No external components required ˙Output transistor sate area protection ˙Internal short circuit current limit ˙Available in the alumnum TO-3 package Absolute Maximum Ratings Parameters Input Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMPOL VIN PD TO-3 PINOUTS 1.INPUT 2.OUTPUT 3.GND Voltage Regulators Values MIN MAX 35 15 -20 80 -55 150 UNITS V W ℃ ℃ ELECTRICAL CHARACTERISTICS Parameter and Conditons Output Voltage VIN = 14.5-27V Io = 5mA-1.0A PD〈= 15W Line Regulation VIN = 14.5-30V Io = 500mA Load Regulation Io = 5mA-1.5A VIN = 19V Input Voltage Ripple Rejection f = 100Hz VIN = 12V Io = 100mA VIPP = 4V Maxium Output Current Average TC of VOUT Io = 5mA Tj = 0-125℃ Output Noise Voltage f = 10Hz-100kHz MIN 11.4 Values TYP 12 MAX 12.6 UNIT V mV mV V dB 1.5 -0.3 40 A mV/℃ µV 160 120 14.5 35 62 Wing Shing Computer Components Co., (H.K.)Ltd. Homepage: http://www.wingshing.com Tel:(852)2341 9276 Fax:(852)2797 8153 E-mail: wsccltd@hkstar.com